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Merge pull request #431 from Kitware/add_vector_component_test
test(Rendering): add test for using vectorComponent coloring
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import test from 'tape-catch'; | ||
import testUtils from 'vtk.js/Sources/Testing/testUtils'; | ||
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import vtkLookupTable from 'vtk.js/Sources/Common/Core/LookupTable'; | ||
import vtkOpenGLRenderWindow from 'vtk.js/Sources/Rendering/OpenGL/RenderWindow'; | ||
import vtkRenderWindow from 'vtk.js/Sources/Rendering/Core/RenderWindow'; | ||
import vtkRenderer from 'vtk.js/Sources/Rendering/Core/Renderer'; | ||
import vtkSphereSource from 'vtk.js/Sources/Filters/Sources/SphereSource'; | ||
import vtkActor from 'vtk.js/Sources/Rendering/Core/Actor'; | ||
import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper'; | ||
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const { GetArray } = vtkMapper; | ||
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import baseline from './testVectorComponent.png'; | ||
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test.onlyIfWebGL('Test VectorComponent', (t) => { | ||
const gc = testUtils.createGarbageCollector(t); | ||
t.ok('rendering', 'vtkMapper Vector Component'); | ||
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// Create some control UI | ||
const container = document.querySelector('body'); | ||
const renderWindowContainer = gc.registerDOMElement(document.createElement('div')); | ||
container.appendChild(renderWindowContainer); | ||
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// create what we will view | ||
const renderWindow = gc.registerResource(vtkRenderWindow.newInstance()); | ||
const renderer = gc.registerResource(vtkRenderer.newInstance()); | ||
renderWindow.addRenderer(renderer); | ||
renderer.setBackground(0.32, 0.34, 0.43); | ||
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const actor = gc.registerResource(vtkActor.newInstance()); | ||
renderer.addActor(actor); | ||
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const mapper = gc.registerResource(vtkMapper.newInstance()); | ||
actor.setMapper(mapper); | ||
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const sphereSource = gc.registerResource(vtkSphereSource.newInstance()); | ||
sphereSource.setThetaResolution(30); | ||
sphereSource.setPhiResolution(16); | ||
mapper.setInputConnection(sphereSource.getOutputPort()); | ||
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const lut = vtkLookupTable.newInstance(); | ||
lut.setVectorComponent(1); | ||
lut.setVectorModeToComponent(); // the default | ||
mapper.setLookupTable(lut); | ||
mapper.setScalarModeToUsePointFieldData(); | ||
mapper.setArrayAccessMode(GetArray.BY_NAME); | ||
mapper.setColorByArrayName('Normals'); | ||
mapper.setScalarVisibility(true); | ||
mapper.setScalarRange(-1.0, 1.0); | ||
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// now create something to view it, in this case webgl | ||
const glwindow = gc.registerResource(vtkOpenGLRenderWindow.newInstance()); | ||
glwindow.setContainer(renderWindowContainer); | ||
renderWindow.addView(glwindow); | ||
glwindow.setSize(400, 400); | ||
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renderWindow.render(); | ||
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const image = glwindow.captureImage(); | ||
testUtils.compareImages(image, [baseline], 'Rendering/Core/Mapper/testVectorComponent.js', t, 5, gc.releaseResources); | ||
}); |
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